<template>
  <div>
    <el-dialog
      :title="name"
      :visible.sync="dialogVisible"
      :close-on-click-modal="false"
      class="mt-dialog"
      width="80%"
      @close="close"
    >

      <div class="top">
        <el-input
          v-model="kwInput"
          placeholder="输入 任意字符 进行筛选"
          class="input-with-select"
          clearable
          @keyup.native.enter="handleSearch"
        >
          <el-button slot="append" icon="el-icon-search" @click="handleSearch">搜索</el-button>
        </el-input>
        <el-button
          v-if="kwInput.length > 0"
          type="danger"
          class="el-icon-delete add-btn"
          :disabled="listLoading"
          @click="handleDeleteKeywords()"
        >删除匹配词
        </el-button>
        <el-button
          type="primary"
          class="el-icon-plus add-btn"
          :disabled="listLoading"
          @click="handleAction('create', '添加主词')"
        >添加主词
        </el-button>
      </div>

      <el-table
        v-loading.fullscreen.lock="listLoading"
        :data="data"
        border
        fit
        highlight-current-row
        style="width: 100%"
        @cell-mouse-enter="(m) => m.active=true"
        @cell-mouse-leave="(m) => m.active=false"
        @sort-change="handleSort"
      >
        <el-table-column align="center" label="keyword" prop="keyword" sortable="custom" />
        <el-table-column align="center" label="长尾词" prop="longtailkeyword_count" sortable="custom">
          <template slot-scope="scope">
            <span @click="handleShowLongTailKeyword(scope.row)">{{ scope.row.longtailkeyword_count }}</span>
          </template>
        </el-table-column>
        <el-table-column align="center" label="操作" width="200">
          <template slot-scope="scope">
            <el-button size="mini" type="success" @click="handleAction('edit', scope.row)">修改</el-button>
            <el-button size="mini" type="danger" @click="handleAction('delete', scope.row)">删除</el-button>
          </template>
        </el-table-column>

      </el-table>

      <el-pagination
        v-if="data.length"
        background
        class="mt-pagination"
        :current-page="page"
        :page-sizes="[10,20,50,100]"
        :page-size="pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        @size-change="handleSizeChange"
        @current-change="handlePageChange"
      />

      <el-dialog
        append-to-body
        :title="title"
        :width="width"
        :visible.sync="innerDialogVisible"
        :close-on-click-modal="false"
      >
        <el-form :model="temp" label-position="left" label-width="80px">
          <el-form-item v-if="action === 'create'" label="keywords">
            <el-input v-model="temp.keywords" placeholder="多个关键词换行" type="textarea" rows="10" />
            <el-button type="default" @click="removeKeywords">过滤短词</el-button>
          </el-form-item>
          <el-form-item v-else label="keyword">
            <el-input v-model="temp.keyword" />
          </el-form-item>
        </el-form>

        <span slot="footer" class="dialog-footer">
          <el-button @click="innerDialogVisible = false">取 消</el-button>
          <el-button :type="action !== 'delete'?'primary':'danger'" @click="confirm">确 定</el-button>
        </span>
      </el-dialog>
    </el-dialog>
    <longtailkeyword
      :web-visible="longtailKeywordVisible"
      :mainkeyword_id="longtail_mainkeyword_id"
      :name="longtailkeywordName"
      @closeDialog="longtailKeywordVisible=false"
    />
  </div>
</template>

<script>
import { Get, Post, Put, Delete, DeleteByKeyword } from '@/api/cms/mainkeyword'
import qs from 'qs'
import Longtailkeyword from './longtailkeyword'

const orderMapper = {
  'ascending': 0,
  'descending': 1,
  'null': ''
}
export default {
  name: 'Mainkeyword',
  components: { Longtailkeyword },
  props: ['webVisible', 'keywordpool_id', 'name'],
  data() {
    return {
      longtailKeywordVisible: false,
      longtail_mainkeyword_id: '',
      longtailkeywordName: '长尾词',
      data: [],
      listLoading: false,
      kwInput: '',
      order_by: '',
      order_desc: '',
      // pagination
      pagesize: 10,
      page: 1,
      total: 0,

      action: null,
      dialogVisible: false,
      title: '',
      temp: {
        keywords: []
      },
      width: '',
      innerDialogVisible: false
    }
  },
  watch: {
    webVisible(v) {
      this.dialogVisible = v
    },
    keywordpool_id(v) {
      if (v) {
        this.getList()
      }
    }
  },
  methods: {
    handleShowLongTailKeyword(row) {
      this.longtail_mainkeyword_id = row.id
      this.longtailkeywordName = row.keyword + '长尾词'
      this.longtailKeywordVisible = true
    },
    resetTemp() {
      this.temp = {
        keywords: []
      }
    },
    removeKeywords() {
      const new_keywords = []
      const o_keywords = this.temp.keywords.split('\n')
      console.log(o_keywords)
      this.$prompt('最短单词数量', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消'
      }).then(({ value }) => {
        o_keywords.forEach(item => {
          if (item.split(' ').length >= value) {
            new_keywords.push(item)
          }
        })
        if (new_keywords.length > 0) {
          this.temp.keywords = new_keywords.join('\n')
        }
      }).catch((error) => {
        console.log(error)
        this.$message({
          type: 'info',
          message: '取消输入'
        })
      })
    },
    getList() {
      this.listLoading = true
      Get(null, qs.stringify({
        kw: this.kwInput,
        pagesize: this.pagesize,
        page: this.page,
        order_by: this.order_by,
        keywordpool_id: this.keywordpool_id,
        order_desc: this.order_desc
      }))
        .then(response => {
          this.scrollTop()
          this.data = response.data.data
          this.listLoading = false
          this.total = response.data.total
        }).catch(err => {
          console.log(err)
          this.listLoading = false
        })
    },
    handleDeleteKeywords() {
      this.$confirm(`确认要删除所有匹配  ${this.kwInput} 的词?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        DeleteByKeyword({
          kw: this.kwInput,
          keywordpool_id: this.keywordpool_id
        }
        ).then(response => {
          this.innerDialogVisible = false
          this.getList()
          this.notify('删除成功')
        })
      }).catch(() => {
      })
    },
    handleAction(action, row) {
      this.action = action
      switch (action) {
        case 'create':
          this.width = '50%'
          this.title = '添加主关键词'
          this.resetTemp()
          this.innerDialogVisible = true
          break
        case 'delete':
          this.width = '30%'
          this.title = `确认要删除${row.keyword}?`
          this.temp = Object.assign({}, row)
          this.innerDialogVisible = true
          break
        case 'edit':
          this.width = '50%'
          this.title = `修改${row.keyword}`
          this.temp = Object.assign({}, row)
          this.innerDialogVisible = true
          break
      }
    },
    confirm() {
      const _data = this.temp
      switch (this.action) {
        case 'create':
          if (!_data.keywords.length) {
            alert('keywords is none')
            return
          }
          Post({
            keywords: _data.keywords,
            keywordpool_id: this.keywordpool_id
          }
          ).then(response => {
            this.innerDialogVisible = false
            this.getList()
            this.$emit('reload')
            this.notify('添加成功')
          })
          break
        case
          'delete'
          :
          Delete(_data.id).then((response) => {
            this.innerDialogVisible = false
            this.getList()
            this.$emit('reload')
            this.notify('删除成功')
          })
          break
        case
          'edit'
          :
          Put(_data.id, {
            keyword: _data.keyword,
            keywordpool_id: this.keywordpool_id
          }).then((response) => {
            this.innerDialogVisible = false
            this.$emit('reload')
            this.getList()
            this.notify('更新成功')
          })
          break
      }
    },
    notify(message, duration) {
      this.$notify({
        title: '成功',
        message: message,
        type: 'success',
        duration: duration || 2000
      })
    },
    // pageSize 改变后触发 table 更新
    handleSizeChange(val) {
      this.pagesize = val
      this.getList()
    },
    // page 改变后触发 table 更新
    handlePageChange(val) {
      this.page = val
      this.getList()
    },
    // 点击搜索
    handleSearch() {
      this.page = 1
      this.getList()
    },
    handleSort(v) {
      this.order_by = v.prop
      this.order_desc = orderMapper[v.order]
      this.getList()
    },
    scrollTop() {
      window.scrollTo(0, 0)
    },
    close() {
      this.$emit('closeDialog', false)
    }
  }
}
</script>

<style scoped>
.el-tag + .el-tag {
  margin-left: 10px;
}

.top >>> .el-select .el-input {
  width: 350px;
}

.top >>> .input-with-select .el-input-group__prepend {
  background-color: #fff;
}

.top {
  padding-left: 20px;
  margin-bottom: 30px;
  margin-top: 28px;
}

.input-with-select {
  width: calc(100% - 200px);
}

.add-btn {
  float: right;
  margin-right: 20px;
  width: 150px
}

.mt-pagination {
  float: right;
  margin-top: 5px;
}

.app-container >>> .el-dialog {
  margin-top: 48px !important;
  margin-bottom: 68px;
}

.mt-dialog >>> .el-transfer-panel {
  width: calc(50% - 60px);
}

.mt-form >>> .el-select {
  width: 100%;
}

.mt-form >>> .el-input__inner {
  width: 100%;
}

.mt-dialog >>> .el-dialog {
  margin-top: 60px;
  /*margin: 168px auto !important;*/
}

.mt-dialog >>> .el-dialog__body {
  padding-bottom: 100px;
}
</style>
